Finding the Fourth Proportional to 23,687.15, 35,518.83 and 7,886.61

Step by Step Solution

1. Step 1: Write the proportion equation
   23,687.15 : 35,518.83 = 7,886.61 : x
2. Step 2: Convert to fraction form
   23,687.15/35,518.83 = 7,886.61/x
3. Step 3: Cross multiply
   23,687.15x = 35,518.83 × 7,886.61
4. Step 4: Simplify right side
   23,687.15x = 280,123,174.65
5. Step 5: Solve for x
   x = 280,123,174.65/23,687.15
6. Step 6: Final answer
   x = 11,825.96